3 papers
astro-ph2000
The variability analysis of PKS 2155-304
J. H. Fan, R. G. Lin
In this paper, the post-1977 photometric observations of PKS 2155-304 are compiled and used to discuss the variation periodicity. Largest amplitude variations (; $ΔB…
astro-ph1998
Long-term Variation of AGNs
J. H. Fan, G. Z. Xie, G. Adam +5
In this paper, we will discuss the long-term variations in the optical and the infrared bands of some AGNs. It is interesting to note that the reported periods of AGNs are of the s…
astro-ph1998
Correlation between the gamma-ray and the radio emissions
J. H. Fan, G. Adam, G. Z. Xie +3
In this paper, the correlation between the gamma-ray and the radio bands is investigated. The results show that there is a closer correlation between the gamma-ray emission and the…